Chromatin and gene regulation : mechanisms in epigenetics

Prologue. . 1. Controlling transcription: shared aims and common mechanisms. . 2. Transcription in eukaryotes: the problems of complexity. . 3. The nucleosome: chromatina s structural unit. . 4. Histone tails: modifications and epigenetic information. . 5. Higher--order chromatin structures and nuclear organisation. . 6. Transcription in a chromatin environment. . 7. How the transcription machinery deals with chromatin. . 8. Chromatin remodelling machines. . 9. Heterochromatin. . 10. Long--term silencing of gene expression. . 11. Cellular memory and imprinting. . 12. Mechanisms of dosage compensation